422 lines
14 KiB
Arduino
422 lines
14 KiB
Arduino
|
|
||
|
|
#include "Wire.h"
|
||
|
|
#include "XL9535_driver.h"
|
||
|
|
#include "esp_lcd_panel_io.h"
|
||
|
|
#include "esp_lcd_panel_ops.h"
|
||
|
|
#include "esp_lcd_panel_rgb.h"
|
||
|
|
#include "esp_lcd_panel_vendor.h"
|
||
|
|
#include "lvgl.h"
|
||
|
|
#include "pin_config.h"
|
||
|
|
#include <Arduino.h>
|
||
|
|
#include "lv_demo_music.h"
|
||
|
|
|
||
|
|
// #define USING_2_1_INC_CST820 1 // Full circle 2.1 inches using CST820 touch screen
|
||
|
|
// #define USING_2_8_INC_GT911 1 // Full circle 2.8 inches using GT911 touch screen
|
||
|
|
// #define USING_2_1_INC_FT3267 1 // Half circle 2.1 inches use FT3267 touch screen
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if defined(USING_2_1_INC_FT3267)
|
||
|
|
#include "ft3267.h"
|
||
|
|
#endif
|
||
|
|
#if defined(USING_2_1_INC_CST820)
|
||
|
|
#define TOUCH_MODULES_CST_SELF
|
||
|
|
#include "TouchLib.h"
|
||
|
|
TouchLib touch(Wire, IIC_SDA_PIN, IIC_SCL_PIN, CTS820_SLAVE_ADDRESS);
|
||
|
|
#elif defined(USING_2_8_INC_GT911)
|
||
|
|
#define TOUCH_MODULES_GT911
|
||
|
|
#include "TouchLib.h"
|
||
|
|
TouchLib touch(Wire, IIC_SDA_PIN, IIC_SCL_PIN, GT911_SLAVE_ADDRESS1);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if !defined(USING_2_1_INC_CST820) && !defined(USING_2_8_INC_GT911)
|
||
|
|
#error "Please define the size of the screen and open the macro definition at the top of the sketch"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint8_t cmd;
|
||
|
|
uint8_t data[16];
|
||
|
|
uint8_t databytes; // No of data in data; bit 7 = delay after set; 0xFF = end of cmds.
|
||
|
|
} lcd_init_cmd_t;
|
||
|
|
|
||
|
|
#if defined(USING_2_1_INC_CST820) || defined(USING_2_1_INC_FT3267)
|
||
|
|
DRAM_ATTR static const lcd_init_cmd_t st_init_cmds[] = {
|
||
|
|
{0xFF, {0x77, 0x01, 0x00, 0x00, 0x10}, 0x05},
|
||
|
|
{0xC0, {0x3b, 0x00}, 0x02},
|
||
|
|
{0xC1, {0x0b, 0x02}, 0x02},
|
||
|
|
{0xC2, {0x07, 0x02}, 0x02},
|
||
|
|
{0xCC, {0x10}, 0x01},
|
||
|
|
{0xCD, {0x08}, 0x01}, // 用565时屏蔽 666打开
|
||
|
|
{0xb0, {0x00, 0x11, 0x16, 0x0e, 0x11, 0x06, 0x05, 0x09, 0x08, 0x21, 0x06, 0x13, 0x10, 0x29, 0x31, 0x18}, 0x10},
|
||
|
|
{0xb1, {0x00, 0x11, 0x16, 0x0e, 0x11, 0x07, 0x05, 0x09, 0x09, 0x21, 0x05, 0x13, 0x11, 0x2a, 0x31, 0x18}, 0x10},
|
||
|
|
{0xFF, {0x77, 0x01, 0x00, 0x00, 0x11}, 0x05},
|
||
|
|
{0xb0, {0x6d}, 0x01},
|
||
|
|
{0xb1, {0x37}, 0x01},
|
||
|
|
{0xb2, {0x81}, 0x01},
|
||
|
|
{0xb3, {0x80}, 0x01},
|
||
|
|
{0xb5, {0x43}, 0x01},
|
||
|
|
{0xb7, {0x85}, 0x01},
|
||
|
|
{0xb8, {0x20}, 0x01},
|
||
|
|
{0xc1, {0x78}, 0x01},
|
||
|
|
{0xc2, {0x78}, 0x01},
|
||
|
|
{0xc3, {0x8c}, 0x01},
|
||
|
|
{0xd0, {0x88}, 0x01},
|
||
|
|
{0xe0, {0x00, 0x00, 0x02}, 0x03},
|
||
|
|
{0xe1, {0x03, 0xa0, 0x00, 0x00, 0x04, 0xa0, 0x00, 0x00, 0x00, 0x20, 0x20}, 0x0b},
|
||
|
|
{0xe2, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, 0x0d},
|
||
|
|
{0xe3, {0x00, 0x00, 0x11, 0x00}, 0x04},
|
||
|
|
{0xe4, {0x22, 0x00}, 0x02},
|
||
|
|
{0xe5, {0x05, 0xec, 0xa0, 0xa0, 0x07, 0xee, 0xa0, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, 0x10},
|
||
|
|
{0xe6, {0x00, 0x00, 0x11, 0x00}, 0x04},
|
||
|
|
{0xe7, {0x22, 0x00}, 0x02},
|
||
|
|
{0xe8, {0x06, 0xed, 0xa0, 0xa0, 0x08, 0xef, 0xa0, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, 0x10},
|
||
|
|
{0xeb, {0x00, 0x00, 0x40, 0x40, 0x00, 0x00, 0x00}, 0x07},
|
||
|
|
{0xed, {0xff, 0xff, 0xff, 0xba, 0x0a, 0xbf, 0x45, 0xff, 0xff, 0x54, 0xfb, 0xa0, 0xab, 0xff, 0xff, 0xff}, 0x10},
|
||
|
|
{0xef, {0x10, 0x0d, 0x04, 0x08, 0x3f, 0x1f}, 0x06},
|
||
|
|
{0xFF, {0x77, 0x01, 0x00, 0x00, 0x13}, 0x05},
|
||
|
|
{0xef, {0x08}, 0x01},
|
||
|
|
{0xFF, {0x77, 0x01, 0x00, 0x00, 0x00}, 0x05},
|
||
|
|
{0x36, {0x08}, 0x01},
|
||
|
|
{0x3a, {0x66}, 0x01},
|
||
|
|
{0x11, {0x00}, 0x80},
|
||
|
|
// {0xFF, {0x77, 0x01, 0x00, 0x00, 0x12}, 0x05},
|
||
|
|
// {0xd1, {0x81}, 0x01},
|
||
|
|
// {0xd2, {0x06}, 0x01},
|
||
|
|
{0x29, {0x00}, 0x80},
|
||
|
|
{0, {0}, 0xff}
|
||
|
|
};
|
||
|
|
#elif defined(USING_2_8_INC_GT911)
|
||
|
|
DRAM_ATTR static const lcd_init_cmd_t st_init_cmds[] = {
|
||
|
|
{0xFF, {0x77, 0x01, 0x00, 0x00, 0x13}, 0x05},
|
||
|
|
{0xEF, {0x08}, 0x01},
|
||
|
|
{0xFF, {0x77, 0x01, 0x00, 0x00, 0x10}, 0x05},
|
||
|
|
{0xC0, {0x3B, 0X00}, 0x02},
|
||
|
|
{0xC1, {0x10, 0x0C}, 0x02},
|
||
|
|
{0xC2, {0x07, 0x0A}, 0x02},
|
||
|
|
{0xC7, {0x00}, 0x01},
|
||
|
|
{0xCC, {0x10}, 0x01},
|
||
|
|
{0xCD, {0x08}, 0x01}, // 用565时屏蔽 666打开
|
||
|
|
{0xb0, {0x05, 0x12, 0x98, 0x0e, 0x0F, 0x07, 0x07, 0x09, 0x09, 0x23, 0x05, 0x52, 0x0F, 0x67, 0x2C, 0x11}, 0x10},
|
||
|
|
{0xb1, {0x0B, 0x11, 0x97, 0x0C, 0x12, 0x06, 0x06, 0x08, 0x08, 0x22, 0x03, 0x51, 0x11, 0x66, 0x2B, 0x0F}, 0x10},
|
||
|
|
{0xFF, {0x77, 0x01, 0x00, 0x00, 0x11}, 0x05},
|
||
|
|
{0xb0, {0x5d}, 0x01},
|
||
|
|
{0xb1, {0x2D}, 0x01},
|
||
|
|
{0xb2, {0x81}, 0x01},
|
||
|
|
{0xb3, {0x80}, 0x01},
|
||
|
|
{0xb5, {0x4E}, 0x01},
|
||
|
|
{0xb7, {0x85}, 0x01},
|
||
|
|
{0xb8, {0x20}, 0x01},
|
||
|
|
{0xc1, {0x78}, 0x01},
|
||
|
|
{0xc2, {0x78}, 0x01},
|
||
|
|
// {0xc3, {0x8c}, 0x01},
|
||
|
|
{0xd0, {0x88}, 0x01},
|
||
|
|
{0xe0, {0x00, 0x00, 0x02}, 0x03},
|
||
|
|
{0xe1, {0x06, 0x30, 0x08, 0x30, 0x05, 0x30, 0x07, 0x30, 0x00, 0x33, 0x33}, 0x0b},
|
||
|
|
{0xe2, {0x11, 0x11, 0x33, 0x33, 0xf4, 0x00, 0x00, 0x00, 0xf4, 0x00, 0x00, 0x00}, 0x0c},
|
||
|
|
{0xe3, {0x00, 0x00, 0x11, 0x11}, 0x04},
|
||
|
|
{0xe4, {0x44, 0x44}, 0x02},
|
||
|
|
{0xe5, {0x0d, 0xf5, 0x30, 0xf0, 0x0f, 0xf7, 0x30, 0xf0, 0x09, 0xf1, 0x30, 0xf0, 0x0b, 0xf3, 0x30, 0xf0}, 0x10},
|
||
|
|
{0xe6, {0x00, 0x00, 0x11, 0x11}, 0x04},
|
||
|
|
{0xe7, {0x44, 0x44}, 0x02},
|
||
|
|
{0xe8, {0x0c, 0xf4, 0x30, 0xf0, 0x0e, 0xf6, 0x30, 0xf0, 0x08, 0xf0, 0x30, 0xf0, 0x0a, 0xf2, 0x30, 0xf0}, 0x10},
|
||
|
|
{0xe9, {0x36}, 0x01},
|
||
|
|
{0xeb, {0x00, 0x01, 0xe4, 0xe4, 0x44, 0x88, 0x40}, 0x07},
|
||
|
|
{0xed, {0xff, 0x10, 0xaf, 0x76, 0x54, 0x2b, 0xcf, 0xff, 0xff, 0xfc, 0xb2, 0x45, 0x67, 0xfa, 0x01, 0xff}, 0x10},
|
||
|
|
{0xef, {0x08, 0x08, 0x08, 0x45, 0x3f, 0x54}, 0x06},
|
||
|
|
{0xFF, {0x77, 0x01, 0x00, 0x00, 0x00}, 0x05},
|
||
|
|
|
||
|
|
{0x11, {0x00}, 0x80},
|
||
|
|
{0x3a, {0x66}, 0x01},
|
||
|
|
{0x36, {0x08}, 0x01},
|
||
|
|
{0x35, {0x00}, 0x01},
|
||
|
|
{0x29, {0x00}, 0x80},
|
||
|
|
{0, {0}, 0xff}
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
XL9535 xl;
|
||
|
|
|
||
|
|
bool touch_pin_get_int = false;
|
||
|
|
void tft_init(void);
|
||
|
|
void lcd_cmd(const uint8_t cmd);
|
||
|
|
void lcd_data(const uint8_t *data, int len);
|
||
|
|
|
||
|
|
void scan_iic(void)
|
||
|
|
{
|
||
|
|
byte error, address;
|
||
|
|
int nDevices = 0;
|
||
|
|
Serial.println("Scanning for I2C devices ...");
|
||
|
|
for (address = 0x01; address < 0x7f; address++) {
|
||
|
|
Wire.beginTransmission(address);
|
||
|
|
error = Wire.endTransmission();
|
||
|
|
if (error == 0) {
|
||
|
|
Serial.printf("I2C device found at address 0x%02X\n", address);
|
||
|
|
nDevices++;
|
||
|
|
} else if (error != 2) {
|
||
|
|
Serial.printf("Error %d at address 0x%02X\n", error, address);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (nDevices == 0) {
|
||
|
|
Serial.println("No I2C devices found");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void print_chip_info(void)
|
||
|
|
{
|
||
|
|
Serial.print("Chip: ");
|
||
|
|
Serial.println(ESP.getChipModel());
|
||
|
|
Serial.print("ChipRevision: ");
|
||
|
|
Serial.println(ESP.getChipRevision());
|
||
|
|
Serial.print("Psram size: ");
|
||
|
|
Serial.print(ESP.getPsramSize() / 1024);
|
||
|
|
Serial.println("KB");
|
||
|
|
Serial.print("Flash size: ");
|
||
|
|
Serial.print(ESP.getFlashChipSize() / 1024);
|
||
|
|
Serial.println("KB");
|
||
|
|
Serial.print("CPU frequency: ");
|
||
|
|
Serial.print(ESP.getCpuFreqMHz());
|
||
|
|
Serial.println("MHz");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void example_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
|
||
|
|
{
|
||
|
|
esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t)drv->user_data;
|
||
|
|
int offsetx1 = area->x1;
|
||
|
|
int offsetx2 = area->x2;
|
||
|
|
int offsety1 = area->y1;
|
||
|
|
int offsety2 = area->y2;
|
||
|
|
esp_lcd_panel_draw_bitmap(panel_handle, offsetx1, offsety1, offsetx2 + 1, offsety2 + 1, color_map);
|
||
|
|
lv_disp_flush_ready(drv);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void lv_touchpad_read(lv_indev_drv_t *indev_driver, lv_indev_data_t *data)
|
||
|
|
{
|
||
|
|
static uint16_t lastX, lastY;
|
||
|
|
#if defined(USING_2_1_INC_FT3267)
|
||
|
|
uint8_t touch_points_num;
|
||
|
|
ft3267_read_pos(&touch_points_num, &p.x, &p.y);
|
||
|
|
data->point.x = p.x;
|
||
|
|
data->point.y = p.y;
|
||
|
|
if (p.x != lastX || p.y != lastY) {
|
||
|
|
lastX = p.x;
|
||
|
|
lastY = p.y;
|
||
|
|
data->state = LV_INDEV_STATE_PR;
|
||
|
|
} else {
|
||
|
|
data->state = LV_INDEV_STATE_REL;
|
||
|
|
}
|
||
|
|
#elif defined(USING_2_1_INC_CST820) || defined(USING_2_8_INC_GT911)
|
||
|
|
if (touch.read()) {
|
||
|
|
TP_Point t = touch.getPoint(0);
|
||
|
|
data->point.x = t.x;
|
||
|
|
data->point.y = t.y;
|
||
|
|
data->state = LV_INDEV_STATE_PR;
|
||
|
|
touch_pin_get_int = false;
|
||
|
|
} else {
|
||
|
|
data->state = LV_INDEV_STATE_REL;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void setup()
|
||
|
|
{
|
||
|
|
static lv_disp_draw_buf_t disp_buf; // contains internal graphic buffer(s) called draw buffer(s)
|
||
|
|
static lv_disp_drv_t disp_drv; // contains callback functions
|
||
|
|
static lv_indev_drv_t indev_drv;
|
||
|
|
// put your setup code here, to run once:
|
||
|
|
pinMode(BAT_VOLT_PIN, ANALOG);
|
||
|
|
|
||
|
|
Wire.begin(IIC_SDA_PIN, IIC_SCL_PIN, (uint32_t)800000);
|
||
|
|
Serial.begin(115200);
|
||
|
|
xl.begin();
|
||
|
|
uint8_t pin = (1 << PWR_EN_PIN) | (1 << LCD_CS_PIN) | (1 << TP_RES_PIN) | (1 << LCD_SDA_PIN) | (1 << LCD_CLK_PIN) |
|
||
|
|
(1 << LCD_RST_PIN) | (1 << SD_CS_PIN);
|
||
|
|
|
||
|
|
xl.pinMode8(0, pin, OUTPUT);
|
||
|
|
xl.digitalWrite(PWR_EN_PIN, 1);
|
||
|
|
print_chip_info();
|
||
|
|
pinMode(EXAMPLE_PIN_NUM_BK_LIGHT, OUTPUT);
|
||
|
|
digitalWrite(EXAMPLE_PIN_NUM_BK_LIGHT, EXAMPLE_LCD_BK_LIGHT_ON_LEVEL);
|
||
|
|
|
||
|
|
#ifdef USING_2_8_INC_GT911
|
||
|
|
pinMode(TP_INT_PIN, OUTPUT);
|
||
|
|
digitalWrite(TP_INT_PIN, 0); //! Set GT911 IIC address
|
||
|
|
#endif
|
||
|
|
|
||
|
|
xl.digitalWrite(TP_RES_PIN, 0);
|
||
|
|
delay(200);
|
||
|
|
xl.digitalWrite(TP_RES_PIN, 1);
|
||
|
|
|
||
|
|
|
||
|
|
#if defined(USING_2_1_INC_FT3267)
|
||
|
|
ft3267_init(Wire);
|
||
|
|
#elif defined(USING_2_8_INC_GT911) || defined(USING_2_1_INC_CST820)
|
||
|
|
touch.init();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
tft_init();
|
||
|
|
esp_lcd_panel_handle_t panel_handle = NULL;
|
||
|
|
esp_lcd_rgb_panel_config_t panel_config = {
|
||
|
|
.clk_src = LCD_CLK_SRC_PLL160M,
|
||
|
|
.timings =
|
||
|
|
{
|
||
|
|
.pclk_hz = EXAMPLE_LCD_PIXEL_CLOCK_HZ,
|
||
|
|
.h_res = EXAMPLE_LCD_H_RES,
|
||
|
|
.v_res = EXAMPLE_LCD_V_RES,
|
||
|
|
// The following parameters should refer to LCD spec
|
||
|
|
.hsync_pulse_width = 1,
|
||
|
|
.hsync_back_porch = 30,
|
||
|
|
.hsync_front_porch = 50,
|
||
|
|
.vsync_pulse_width = 1,
|
||
|
|
.vsync_back_porch = 30,
|
||
|
|
.vsync_front_porch = 20,
|
||
|
|
|
||
|
|
.flags =
|
||
|
|
{
|
||
|
|
.pclk_active_neg = 1,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.data_width = 16, // RGB565 in parallel mode, thus 16bit in width
|
||
|
|
.psram_trans_align = 64,
|
||
|
|
.hsync_gpio_num = EXAMPLE_PIN_NUM_HSYNC,
|
||
|
|
.vsync_gpio_num = EXAMPLE_PIN_NUM_VSYNC,
|
||
|
|
.de_gpio_num = EXAMPLE_PIN_NUM_DE,
|
||
|
|
.pclk_gpio_num = EXAMPLE_PIN_NUM_PCLK,
|
||
|
|
.data_gpio_nums =
|
||
|
|
{
|
||
|
|
// EXAMPLE_PIN_NUM_DATA0,
|
||
|
|
EXAMPLE_PIN_NUM_DATA13,
|
||
|
|
EXAMPLE_PIN_NUM_DATA14,
|
||
|
|
EXAMPLE_PIN_NUM_DATA15,
|
||
|
|
EXAMPLE_PIN_NUM_DATA16,
|
||
|
|
EXAMPLE_PIN_NUM_DATA17,
|
||
|
|
|
||
|
|
EXAMPLE_PIN_NUM_DATA6,
|
||
|
|
EXAMPLE_PIN_NUM_DATA7,
|
||
|
|
EXAMPLE_PIN_NUM_DATA8,
|
||
|
|
EXAMPLE_PIN_NUM_DATA9,
|
||
|
|
EXAMPLE_PIN_NUM_DATA10,
|
||
|
|
EXAMPLE_PIN_NUM_DATA11,
|
||
|
|
// EXAMPLE_PIN_NUM_DATA12,
|
||
|
|
|
||
|
|
EXAMPLE_PIN_NUM_DATA1,
|
||
|
|
EXAMPLE_PIN_NUM_DATA2,
|
||
|
|
EXAMPLE_PIN_NUM_DATA3,
|
||
|
|
EXAMPLE_PIN_NUM_DATA4,
|
||
|
|
EXAMPLE_PIN_NUM_DATA5,
|
||
|
|
},
|
||
|
|
.disp_gpio_num = EXAMPLE_PIN_NUM_DISP_EN,
|
||
|
|
.on_frame_trans_done = NULL,
|
||
|
|
.user_ctx = NULL,
|
||
|
|
.flags =
|
||
|
|
{
|
||
|
|
.fb_in_psram = 1, // allocate frame buffer in PSRAM
|
||
|
|
},
|
||
|
|
};
|
||
|
|
ESP_ERROR_CHECK(esp_lcd_new_rgb_panel(&panel_config, &panel_handle));
|
||
|
|
ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_handle));
|
||
|
|
ESP_ERROR_CHECK(esp_lcd_panel_init(panel_handle));
|
||
|
|
|
||
|
|
|
||
|
|
lv_init();
|
||
|
|
// alloc draw buffers used by LVGL from PSRAM
|
||
|
|
lv_color_t *buf1 = (lv_color_t *)ps_malloc(EXAMPLE_LCD_H_RES * EXAMPLE_LCD_V_RES * sizeof(lv_color_t));
|
||
|
|
assert(buf1);
|
||
|
|
lv_color_t *buf2 = (lv_color_t *)ps_malloc(EXAMPLE_LCD_H_RES * EXAMPLE_LCD_V_RES * sizeof(lv_color_t));
|
||
|
|
assert(buf2);
|
||
|
|
lv_disp_draw_buf_init(&disp_buf, buf1, buf2, EXAMPLE_LCD_H_RES * EXAMPLE_LCD_V_RES);
|
||
|
|
|
||
|
|
Serial.println("Register display driver to LVGL");
|
||
|
|
lv_disp_drv_init(&disp_drv);
|
||
|
|
disp_drv.hor_res = EXAMPLE_LCD_H_RES;
|
||
|
|
disp_drv.ver_res = EXAMPLE_LCD_V_RES;
|
||
|
|
disp_drv.flush_cb = example_lvgl_flush_cb;
|
||
|
|
disp_drv.draw_buf = &disp_buf;
|
||
|
|
disp_drv.user_data = panel_handle;
|
||
|
|
lv_disp_t *disp = lv_disp_drv_register(&disp_drv);
|
||
|
|
|
||
|
|
lv_indev_drv_init(&indev_drv);
|
||
|
|
indev_drv.type = LV_INDEV_TYPE_POINTER;
|
||
|
|
indev_drv.read_cb = lv_touchpad_read;
|
||
|
|
lv_indev_drv_register(&indev_drv);
|
||
|
|
|
||
|
|
pinMode(TP_INT_PIN, INPUT_PULLUP);
|
||
|
|
attachInterrupt(
|
||
|
|
TP_INT_PIN, [] {
|
||
|
|
touch_pin_get_int = true;
|
||
|
|
}, FALLING);
|
||
|
|
|
||
|
|
lv_demo_music();
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop()
|
||
|
|
{
|
||
|
|
delay(2);
|
||
|
|
lv_timer_handler();
|
||
|
|
}
|
||
|
|
|
||
|
|
void lcd_send_data(uint8_t data)
|
||
|
|
{
|
||
|
|
uint8_t n;
|
||
|
|
for (n = 0; n < 8; n++) {
|
||
|
|
if (data & 0x80)
|
||
|
|
xl.digitalWrite(LCD_SDA_PIN, 1);
|
||
|
|
else
|
||
|
|
xl.digitalWrite(LCD_SDA_PIN, 0);
|
||
|
|
|
||
|
|
data <<= 1;
|
||
|
|
xl.digitalWrite(LCD_CLK_PIN, 0);
|
||
|
|
xl.digitalWrite(LCD_CLK_PIN, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void lcd_cmd(const uint8_t cmd)
|
||
|
|
{
|
||
|
|
xl.digitalWrite(LCD_CS_PIN, 0);
|
||
|
|
xl.digitalWrite(LCD_SDA_PIN, 0);
|
||
|
|
xl.digitalWrite(LCD_CLK_PIN, 0);
|
||
|
|
xl.digitalWrite(LCD_CLK_PIN, 1);
|
||
|
|
lcd_send_data(cmd);
|
||
|
|
xl.digitalWrite(LCD_CS_PIN, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
void lcd_data(const uint8_t *data, int len)
|
||
|
|
{
|
||
|
|
uint32_t i = 0;
|
||
|
|
if (len == 0)
|
||
|
|
return; // no need to send anything
|
||
|
|
do {
|
||
|
|
xl.digitalWrite(LCD_CS_PIN, 0);
|
||
|
|
xl.digitalWrite(LCD_SDA_PIN, 1);
|
||
|
|
xl.digitalWrite(LCD_CLK_PIN, 0);
|
||
|
|
xl.digitalWrite(LCD_CLK_PIN, 1);
|
||
|
|
lcd_send_data(*(data + i));
|
||
|
|
xl.digitalWrite(LCD_CS_PIN, 1);
|
||
|
|
i++;
|
||
|
|
} while (len--);
|
||
|
|
}
|
||
|
|
|
||
|
|
void tft_init(void)
|
||
|
|
{
|
||
|
|
xl.digitalWrite(LCD_CS_PIN, 1);
|
||
|
|
xl.digitalWrite(LCD_SDA_PIN, 1);
|
||
|
|
xl.digitalWrite(LCD_CLK_PIN, 1);
|
||
|
|
|
||
|
|
// Reset the display
|
||
|
|
xl.digitalWrite(LCD_RST_PIN, 1);
|
||
|
|
vTaskDelay(200 / portTICK_PERIOD_MS);
|
||
|
|
xl.digitalWrite(LCD_RST_PIN, 0);
|
||
|
|
vTaskDelay(200 / portTICK_PERIOD_MS);
|
||
|
|
xl.digitalWrite(LCD_RST_PIN, 1);
|
||
|
|
vTaskDelay(200 / portTICK_PERIOD_MS);
|
||
|
|
int cmd = 0;
|
||
|
|
while (st_init_cmds[cmd].databytes != 0xff) {
|
||
|
|
lcd_cmd(st_init_cmds[cmd].cmd);
|
||
|
|
lcd_data(st_init_cmds[cmd].data, st_init_cmds[cmd].databytes & 0x1F);
|
||
|
|
if (st_init_cmds[cmd].databytes & 0x80) {
|
||
|
|
vTaskDelay(100 / portTICK_PERIOD_MS);
|
||
|
|
}
|
||
|
|
cmd++;
|
||
|
|
}
|
||
|
|
Serial.println("Register setup complete");
|
||
|
|
}
|